moodle/backup/upgrade.txt

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This files describes API changes in /backup/*,
information provided here is intended especially for developers.
=== 3.0 ===
* The backup_auto_keep setting, in automated backups configuration, is now
renamed to backup_auto_max_kept as part of a rationalise of naming (see MDL-50602)
=== 2.6 ===
* The backup_controller_dbops::create_temptable_from_real_table()
method is not available anymore. Temp tables must be created
inline always.
* Using the info field from backup_ids_temp or backup_files_temp
must now go via backup_controller_dbops::decode_backup_temp_info() and
backup_controller_dbops::encode_backup_temp_info(). The implementation
of the encoding has changed. These new functions encapsulate any future
changes to the encoding.
=== 2.5 ===
* New optional param $sortby in backup set_source_table() allows to
specify the ORDER BY clause to be used. Previously it was required
to use the set_source_sql() more complex alternative in places
requiring ordering.
* The old 1.9 files backuplib.php, lib.php and restorelib.php and the bb directory,
(all under /backup) have been deleted and no code should rely on them anymore.
=== 2.4 ===
* Since 2.3.1+ the backup file name schema has changed. The ID of the course will always be part of
the filename regardless of the setting 'backup_shortname'. See MDL-33812.
=== 2.3 ===
* Since 2.3.1+ the backup file name schema has changed. The ID of the course will always be part of
the filename regardless of the setting 'backup_shortname'. See MDL-33812.
=== 2.2 ===
* Since 2.2.4+ the backup file name schema has changed. The ID of the course will always be part of
the filename regardless of the setting 'backup_shortname'. See MDL-33812.